Owner's Manual

The green light indicates that the unit is operating with a.c.
power. If this light is off, the a.c. power is off and the backup
battery will operate the unit.
You will not be safeguarded if the a.c. power goes off and the
unit is not fitted with a fresh battery.
The red light should flash once approximately every 60 sec-
onds to indicate the unit is functioning and alert. It will flash
rapidly when the unit goes into alarm. The flashing light and
pulsating loud alarm will continue until the air is cleared. For
interconnected alarms, only the unit which senses smoke (or
is being tested) will flash rapidly. All other units will sound
their alarms but not flash.
Do not apply excessive force to FALSE ALARM/TEST button.
Doing so may damage the unit and void the warranty.
Never use an open flame of any type to test the alarm. You
may damage the alarm or set fire to your home. Operating the
FALSE ALARM/TEST button will check for correct functioning.
LED INDICATORS
Model 755 features one combined LED indicator. The following
section explains what condition the LED indicator is describing:
Constant GREEN on – AC power is present.
GREEN is off – AC power is NOT present.
RED blinks once a minute – indicates presence of working
battery.
RED blinks once a second – smoke alarm senses smoke and
simultaneously sounds an audible alarm.
RED blinks once every 10 seconds – smoke alarm is quieting
an unwanted alarm.
RED is off (interconnected systems only) – another smoke alarm
in the network has sensed smoke and is signaling this alarm.
RED light blinks 3 times every minute (Item 755 only) – indicates
this alarm initiated an alarm in an interconnected system. (Press
the TEST button to reset.)
RED light blinks 4 times every minute preceded by an audible
chirp – indicates a weak or improperly installed battery.
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